Quiz about Electricity

Question 1

Which of these materials is a good conductor of electricity?

Accepted Answer

Metal

Answer

Rubber

Answer

Newspaper

Answer

Glass

Question 2

Which of the following items would conduct electricity?

Accepted Answer

Aluminum ladder

Accepted Answer

Metal screwdriver

Answer

Wooden baseball bat

Answer

Rubber flip flops

Question 3

Question 3.

Accepted Answer

Parallel circuit

Answer

Series circuit

Answer

Incomplete circuit

Answer

Power source

Question 4

A particle that carries a negative electric charge is called a(n) ______.

Accepted Answer

electron

Answer

neutron

Answer

atom

Answer

proton

Question 5

An example of a parallel circuit is

Accepted Answer

the wiring in a house

Answer

a flashlight

Answer

a single circular path

Question 6

What size resistor would produce a 3 Amp current flow with a 12 Volt battery

Accepted Answer

4 Ohms

Answer

1 Ohm

Answer

3 Ohms

Answer

12 Ohms

Question 7

The equivalent resistance in this circuit is

Accepted Answer

450 ohms

Answer

100 ohms

Answer

400 ohms

Answer

30 ohms

Question 8

in which circuit is the lamp brightest

Accepted Answer

1

Answer

2

Answer

3

Answer

All the same

Question 9

a pair of 15-watt computer speakers are connected to a 12-volt power supply. what is the electric current running through the speakers?

Accepted Answer

1.25 A

Answer

0.8 A

Answer

12.5 A

Answer

180 A

Question 10

What would the current be on the second resistor?

Accepted Answer

6 A

Answer

9 A

Answer

15 A

Answer

1 A

Question 11

What is the current on the top branch of the parellel portion of this circuit?

Accepted Answer

2 A

Answer

6 A

Answer

4 A

Answer

0 A

Question 12

A charged system is producing 14.5 Volts with a current of 43.5 Amps, what is the circuit's resistance?

Accepted Answer

0.33 Amps

Answer

58 Amps

Answer

13 Amps

Answer

3 Amps

Question 13

A light circuit is operating at 75 Volts. What is the circuit's current if the resistance is 5 Ohms?

Accepted Answer

15 Amps

Answer

375 Amps

Answer

50 Amps

Answer

0.07 Amps

Question 14

As temperature of a metal filament increases, what happens to resistance?

Accepted Answer

Increases

Answer

Decreases

Answer

Not affected

Answer

Resistance sings "electric love"

Question 15

Is it possible to CREATE electrons?

Accepted Answer

No, you can move them, but they are never created or distroyed.

Answer

Yes, that's what static electricity is.

Answer

Sometimes, it depends on the voltage.

Answer

Sometimes, it depends on the element.

Question 16

Charging by Friction results in two objects with the same charge.

Accepted Answer

False

Answer

True

Question 17

If the current through a circuit is 2 A and the resistance of a light bulb in the circuit is 10 Ohms, what is the voltage difference across the light bulb?

Accepted Answer

20 V

Answer

5 V

Answer

12 V

Answer

0.2 V

Question 18

What kind of circuit is this?

Accepted Answer

Parallel

Answer

Series

Answer

Consecutive

Answer

Training

Question 19

A voltmeter should be placed ........... in a circuit

Accepted Answer

in parallel

Answer

in series

Answer

in order

Answer

upside down

Question 20

What would the voltmeter read

Accepted Answer

2V

Answer

1V

Answer

3V

Answer

6V

Question 21

If the current through a circuit is 2 A and the resistance of a light bulb in the circuit is 10 Ohms, what is the voltage difference across the light bulb?

Accepted Answer

20 V

Answer

5 V

Answer

12 V

Answer

0.2 V

Question 22

This is the circuit symbol for ...

Accepted Answer

an ammeter

Answer

an AC current source

Answer

a DC current source

Answer

a voltmeter

Electricity

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